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Rhythm Pharmaceuticals (RYTM) Institutional Ownership

Rhythm Pharmaceuticals logo
$62.41 -1.46 (-2.29%)
Closing price 04:00 PM Eastern
Extended Trading
$64.25 +1.84 (+2.95%)
As of 05:54 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Institutional Ownership Changes (13F Filings) for Rhythm Pharmaceuticals (NASDAQ:RYTM)

Number of
Institutional Buyers
(last 12 months)
140
Total
Institutional Inflows
(last 12 months)
$535.14M
Number of
Institutional Sellers
(last 12 months)
75
Total
Institutional Outflows
(last 12 months)
$415.25M
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RYTM Institutional Buying and Selling by Quarter

Rhythm Pharmaceuticals Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/20/2025 Intech Investment Management LLC33,893$1.80M0.0%+20.7%0.053%
5/19/2025 Bayforest Capital Ltd3,134$166K0.1%N/A0.005%
5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC125,782$6.66M0.0%-42.4%0.198%
5/16/2025 Voleon Capital Management LP 13,819$732K0.1%N/A0.022%
5/16/2025 Goldman Sachs Group Inc.1,637,908$86.76M0.0%-9.6%2.574%
5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.35,282$1.87M0.0%+6.4%0.055%
5/16/2025 Checkpoint Capital L.P.907,240$48.06M26.4%+24.6%1.426%
5/16/2025 Cinctive Capital Management LP4,356$231K0.0%-94.7%0.007%
5/16/2025 Cormorant Asset Management LP150,000$7.95M0.6%-62.5%0.236%
5/16/2025 Banque Transatlantique SA34,598$1.69M0.0%N/A0.054%
5/16/2025 AQR Capital Management LLC39,363$2.09M0.0%+148.2%0.062%
5/16/2025 Advisors Asset Management Inc.10,250$543K0.0%+44.9%0.016%
5/16/2025 ADAR1 Capital Management LLC36,890$1.95M0.4%+19.2%0.058%
5/16/2025 Alkeon Capital Management LLC817,700$43.31M0.1%-30.0%1.285%
5/15/2025 Frazier Life Sciences Management L.P.678,760$35.95M1.6%-63.7%1.067%
5/15/2025 Baker BROS. Advisors LP5,604,483$296.87M3.6%-7.9%8.809%
5/15/2025 PDT Partners LLC102,195$5.41M0.4%+134.5%0.161%
5/15/2025 Cubist Systematic Strategies LLC173,822$9.21M0.1%N/A0.273%
5/15/2025 Panagora Asset Management Inc.141,162$7.48M0.0%N/A0.222%
5/15/2025 Driehaus Capital Management LLC1,458,022$77.23M0.7%+12.9%2.292%
5/15/2025 Siren L.L.C.277,533$14.70M0.9%N/A0.436%
5/15/2025 Trexquant Investment LP38,724$2.05M0.0%+396.6%0.061%
5/14/2025 Rafferty Asset Management LLC57,732$3.06M0.0%+14.6%0.091%
5/14/2025 Corebridge Financial Inc.26,821$1.42M0.0%-1.5%0.042%
5/14/2025 Comerica Bank244,754$12.97M0.1%+1,330.2%0.385%
5/14/2025 MetLife Investment Management LLC32,414$1.72M0.0%-3.2%0.051%
5/14/2025 Jump Financial LLC41,760$2.21M0.0%N/A0.066%
5/14/2025 AlphaQuest LLC6,607$350K0.0%+660,600.0%0.010%
5/14/2025 Price T Rowe Associates Inc. MD1,199,053$63.52M0.0%+75.0%1.885%
5/14/2025 Candriam S.C.A.291,469$15.44M0.1%-12.3%0.458%
5/14/2025 BI Asset Management Fondsmaeglerselskab A S648$34K0.0%N/A0.001%
5/14/2025 Hsbc Holdings PLC15,570$823K0.0%-4.4%0.024%
5/14/2025 Wellington Management Group LLP23,558$1.25M0.0%-7.8%0.037%
5/13/2025 Northern Trust Corp536,206$28.40M0.0%-1.7%0.843%
5/13/2025 Algert Global LLC61,461$3.26M0.1%+47.9%0.097%
5/13/2025 American Century Companies Inc.13,282$704K0.0%-60.7%0.021%
5/13/2025 Aberdeen Group plc108,129$5.73M0.0%+34.3%0.170%
5/13/2025 Fox Run Management L.L.C.19,172$1.02M0.2%N/A0.030%
5/13/2025 Lord Abbett & CO. LLC135,360$7.17M0.0%-15.7%0.213%
5/13/2025 E Fund Management Co. Ltd.5,396$286K0.0%N/A0.008%
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5/13/2025 Persistent Asset Partners Ltd11,501$609K0.5%-37.2%0.018%
5/13/2025 Russell Investments Group Ltd.114,778$6.08M0.0%+11,412.3%0.180%
5/13/2025 Informed Momentum Co LLC45,108$2.39M0.4%-28.5%0.071%
5/12/2025 Nuveen LLC147,301$7.80M0.0%N/A0.232%
5/12/2025 Aigen Investment Management LP7,701$408K0.1%N/A0.012%
5/12/2025 Entropy Technologies LP5,502$291K0.0%N/A0.009%
5/12/2025 Invesco Ltd.261,902$13.87M0.0%-13.5%0.412%
5/12/2025 Connor Clark & Lunn Investment Management Ltd.50,557$2.68M0.0%+730.3%0.079%
5/12/2025 Swiss National Bank89,300$4.73M0.0%-1.0%0.140%
5/9/2025 Deutsche Bank AG43,779$2.32M0.0%-10.2%0.069%
5/9/2025 Chicago Partners Investment Group LLC3,510$186K0.0%-5.0%0.006%
5/9/2025 Charles Schwab Investment Management Inc.445,429$23.59M0.0%+1.2%0.700%
5/9/2025 Primecap Management Co. CA5,787,322$306.55M0.3%-11.9%9.100%
5/9/2025 Vanguard Group Inc.3,444,926$182.48M0.0%+0.1%5.417%
5/9/2025 JGP Global Gestao de Recursos Ltda.3,824$203K0.2%-28.9%0.006%
5/9/2025 Westfield Capital Management Co. LP1,341,092$71.04M0.3%N/A2.109%
5/9/2025 BIT Capital GmbH6,013$319K0.0%N/A0.009%
5/9/2025 PNC Financial Services Group Inc.4,518$239K0.0%+1,386.2%0.007%
5/8/2025Jefferies Financial Group Inc.17,100$906K0.0%N/A0.027%
5/8/2025 Bayforest Capital Ltd3,134$166K0.1%N/A0.005%
5/8/2025 XTX Topco Ltd29,949$1.59M0.1%+293.8%0.047%
5/8/2025 Federated Hermes Inc.1,591,871$84.32M0.2%+2.7%2.503%
5/7/2025 TD Asset Management Inc50,200$2.66M0.0%+5.0%0.079%
5/6/2025 Universal Beteiligungs und Servicegesellschaft mbH93,105$4.93M0.0%+22.4%0.146%
5/2/2025 Victory Capital Management Inc.17,326$918K0.0%+1.0%0.027%
5/2/2025 Leo Wealth LLC16,000$848K0.1%N/A0.025%
5/2/2025 SBI Securities Co. Ltd.466$25K0.0%-30.0%0.001%
5/1/2025 CWM LLC2,584$137K0.0%+92.3%0.004%
5/1/2025 Xponance Inc.4,365$231K0.0%+4.7%0.007%
4/30/2025 Alps Advisors Inc.46,207$2.45M0.0%-7.0%0.073%
4/30/2025 China Universal Asset Management Co. Ltd.12,682$672K0.1%-2.7%0.020%
4/29/2025 Bank of New York Mellon Corp146,585$7.77M0.0%-1.1%0.232%
4/29/2025 GF Fund Management CO. LTD.1,573$83K0.0%+21.9%0.002%
4/28/2025 Principal Financial Group Inc.37,156$1.97M0.0%+0.7%0.059%
4/28/2025 Teacher Retirement System of Texas12,404$657K0.0%-8.7%0.020%
4/21/2025 Avior Wealth Management LLC4,589$243K0.0%N/A0.007%
4/17/2025 Exchange Traded Concepts LLC11,912$631K0.0%-3.7%0.019%
4/15/2025 Assenagon Asset Management S.A.22,192$1.18M0.0%N/A0.035%
4/15/2025 SG Americas Securities LLC19,667$1.04M0.0%N/A0.031%
4/14/2025 Harbor Capital Advisors Inc.77,297$4.09M0.2%+155.5%0.122%
4/14/2025 Wedge Capital Management L L P NC36,984$1.96M0.0%-23.6%0.058%
4/10/2025 Hennion & Walsh Asset Management Inc.89,622$4.75M0.2%-9.9%0.142%
4/8/2025 Rhumbline Advisers85,719$4.54M0.0%+3.6%0.136%
4/7/2025 GAMMA Investing LLC14,885$788K0.0%+7,305.5%0.024%
3/24/2025 Wellington Management Group LLP25,555$1.43M0.0%-7.8%0.040%
3/18/2025 California State Teachers Retirement System43,533$2.44M0.0%-0.9%0.069%
2/28/2025 Universal Beteiligungs und Servicegesellschaft mbH76,084$4.26M0.0%N/A0.124%
2/19/2025 GF Fund Management CO. LTD.1,290$72K0.0%N/A0.002%
2/18/2025 Castleark Management LLC18,390$1.03M0.0%-4.5%0.030%
2/18/2025 Frazier Life Sciences Management L.P.1,869,808$104.67M4.3%-22.6%3.042%
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2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC218,544$12.23M0.0%-3.0%0.356%
2/17/2025 Voloridge Investment Management LLC380,537$21.30M0.1%+7.7%0.619%
2/17/2025 Two Sigma Advisers LP13,100$733K0.0%+2.3%0.021%
2/17/2025 State of Wyoming1,084$61K0.0%N/A0.002%
2/17/2025 Stempoint Capital LP208,016$11.65M2.9%+404.1%0.338%
2/17/2025 Rafferty Asset Management LLC50,394$2.82M0.0%-22.0%0.082%
2/17/2025 ProShare Advisors LLC18,328$1.03M0.0%+31.3%0.030%
2/17/2025Nuveen Asset Management LLC146,903$8.22M0.0%-0.7%0.239%
2/17/2025 OMERS ADMINISTRATION Corp7,600$425K0.0%N/A0.012%
2/17/2025 Orbimed Advisors LLC400,000$22.39M0.5%-8.2%0.651%
(Data available from 1/1/2016 forward)

RYTM Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of RYTM shares?

During the previous two years, 208 institutional investors and hedge funds held shares of Rhythm Pharmaceuticals. The most heavily invested institutionals were Primecap Management Co. CA ($306.55M), Baker BROS. Advisors LP ($296.87M), Vanguard Group Inc. ($182.48M), Perceptive Advisors LLC ($141.52M), State Street Corp ($104.42M), RA Capital Management L.P. ($93.60M), and Goldman Sachs Group Inc. ($86.76M).Learn more on RYTM's institutional investors.

Which institutional investors have been buying Rhythm Pharmaceuticals stock?

Of the 176 institutional investors that purchased Rhythm Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Perceptive Advisors LLC ($1.95M), Westfield Capital Management Co. LP ($1.34M), Healthcare of Ontario Pension Plan Trust Fund ($1.14M), VR Adviser LLC ($1.09M), Braidwell LP ($843.09K), Polar Capital Holdings Plc ($750K), and Great Point Partners LLC ($674.46K).

How much institutional buying is happening at Rhythm Pharmaceuticals?

Institutional investors have bought a total of 20,784,260 shares in the last 24 months. This purchase volume represents approximately $831.94M in transactions.

Which Rhythm Pharmaceuticals major shareholders have been selling company stock?

Of the 89 institutional investors that sold Rhythm Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Primecap Management Co. CA ($2.21M), Frazier Life Sciences Management L.P. ($1.74M), Federated Hermes Inc. ($1.70M), Baker BROS. Advisors LP ($793.88K), Assenagon Asset Management S.A. ($643.97K), Commodore Capital LP ($525K), and Nisa Investment Advisors LLC ($373.06K).

How much institutional selling is happening at Rhythm Pharmaceuticals?

Institutional investors have sold a total of 11,746,527 shares in the last 24 months. This volume of shares sold represents approximately $532.60M in transactions.



This page (NASDAQ:RYTM) was last updated on 5/21/2025 by MarketBeat.com Staff
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